Analysis of barriers to upstream fish migration
Subtitle: an investigation of the physical and biological conditions affecting fish passage success at culverts and waterfalls : final project report, part 4 of 4, submitted to Bonneville Power Administration
By: prepared by Patrick D. Powers and John F. Orsborn ; Albrook Hydraulics Laboratory, Department of Civil and Environmental Engineering, Washington State University.
Contributors: Orsborn, John F.; R.L. Albrook Hydraulics Laboratory.; United States. Bonneville Power Administration.
Publisher: Bonneville Power Administration, Division of Fish and Wildlife
Published: 1986
Place of publication: Portland, Ore
Language: eng
Number of pages: 120
Subjects: Fishes -- Migration.; Fishes -- Effect of dams on.
Other titles: Development of new concepts in fishladder design.
Notes: "Part of a BPA Fisheries project on the Development of new concepts in fishladder design, contract DE-A179-82BP36523, Project no. 82-14.  August, 1985."

On cover: Final report 1984.

Bibliography: p. 98-99.